HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 82

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HD6433308

Manufacturer Part Number
HD6433308
Description
Hitachi Single-Chip MicroComputer
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet

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NMI?
Figure 4-4. Hardware Interrupt-Handling Sequence
Y
IRQ
To software
interrupt-handling routine
N
I
0
interrupts except NMI
Program execution
Y
?
1, masking all
Save CCR
Save PC
Interrupt
request
present?
IRQ
I=0 in
CCR?
N
1
Y
Y
Y
?
67
N
N
N
ADI?
Pending
PC: Program Counter
CCR: Condition Code Register
I: Interrupt mask bit
Y

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